Drosera filiformis
Thread-leaved sundew | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Order: | Caryophyllales |
Family: | Droseraceae |
Genus: | Drosera |
Subgenus: | Drosera subg. Drosera |
Section: | Drosera sect. Drosera |
Species: | D. filiformis
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Binomial name | |
Drosera filiformis Raf. (1808)
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Synonyms | |
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Drosera filiformis, commonly known as the thread-leaved sundew,
Distribution and habitat
D. filiformis occurs naturally in both
Cultivation
D. filiformis is frequently cultivated, with a few registered cultivars, such as D. filiformis var. filiformis (also known as D. filiformis typical), D. filiformis × 'California Sunset' (a hybrid between D. filiformis var. filiformis.) All of these cultivars are grown with similar conditions as most other Drosera species: mineral-poor soil and distilled, reverse osmosis, or collected rain water. D. filiformis require a winter dormancy for long-term survival, forming hibernacula in the winter.
Conservation
D. filiformis is a Schedule 1–listed endangered species of Canada under the Species at Risk Act.[3] It is considered range-wide to be of "least concern" according to the International Union for Conservation of Nature. Threats include development, peat mining and competition from shrubs.[1]
Infraspecific taxa
- Drosera filiformis f. tracyi (Macf. ex Diels) Macf. (1914)
- Drosera filiformis var. tracyi (Macf. ex Diels) Diels (1906)
- Drosera filiformis var. typica Winne (1944) nom.illeg.
References
- ^ . Retrieved 9 November 2023.
- ^ a b c d e B. Freedman; J. Jotham (2001). "Update COSEWIC status report on the thread-leaved sundew Drosera filiformis in Canada, in COSEWIC assessment and update status report on the thread-leaved sundew Drosera filiformis in Canada" (PDF). Ottawa: Committee on the Status of Endangered Wildlife in Canada. Retrieved 9 November 2023.
- ^ "Thread-leaved Sundew (Drosera filiformis)". Species at risk public registry. Government of Canada. 13 June 2023. Retrieved 9 November 2023.